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2026-07-17
Documentation
  • Added a Quickstart page.
  • Rewrote Authentication to cover Bearer tokens, webhook signatures, and the CHIP Send HMAC scheme in one place.
  • Added a dedicated Webhook signatures page with Node, PHP, and Python verification examples.
  • Added an Errors reference.
  • Promoted the AI agent integration guide to a top-level sidebar group and linked the machine-readable /llms.txt conventions from it.
  • Added MBSB Bank (code MBSB001) to the FPX B2B1 bank code list.
  • Renamed the webhook partially-update-a-webhook-by-id endpoint page to partial-update to match the rest of the naming convention.
  • Added a masked example response to the OpenAPI POST /purchases/ operation.
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2026-07-16
Direct Post
  • Added a new page documenting the ?active={payment_method} query parameter on the checkout URL, which pre-selects a payment method on the default page without skipping it (different from ?preferred=, which skips the page). Linked to it from FPX, DuitNow QR, and E-Wallet.
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2026-07-13
Direct Post
  • Documented the ?active= checkout URL query parameter in the OpenAPI spec and added a “Set a default payment method” page that explains the difference between ?active= and ?preferred=.
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2026-07-09
Payment methods
  • Documented the invalid_recurring_token error returned by the charge API when a recurring token has been revoked or expired.
  • Removed american_express from the card_methods list in the OpenAPI spec.
  • Re-included mastercard and maestro in the card_methods example.
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2026-06-28
Authentication
  • Rewrote the CHIP Send introduction with a full request example and troubleshooting table.
  • Cleaned up example emails across the docs (all now use example.com placeholders).
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2026-04-29
Webhooks
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2026-04-06
AI-agent support
  • Served raw OpenAPI specs at /openapi/ for direct consumption by coding agents.
  • Published /llms.txt with the canonical URL conventions and authentication rules.
  • Added an auto-generated PR summary workflow.